code: def call_or_untestable(cmd):
      try:
          caller(cmd)
      except CalledProcessError:
          sys.exit(UNTESTABLE)
  
file_path: nibabel/tools/bisect_nose.py
imports: import os
  import re
  import shutil
  import sys
  import tempfile
  from argparse import ArgumentParser, RawDescriptionHelpFormatter
  from functools import partial
  from subprocess import PIPE, CalledProcessError, Popen, check_call
label_desc: Use image node_id 1 for calling a global function with example usage: call_or_untestable(cmd) without return types